Troubleshooting - Icom iM504 Instruction Manual

PROBLEM
The transceiver does • Bad connection to the power supply.
not turn ON.
No sound from speaker. • Squelch level is too high.
• Volume level is too low.
• Speaker has been exposed to water.
Sensitivity is low. • The Attenuator is activated.
Transmitting is impossi- • Some channels are programmed for low
ble, or high power can power or receive only in regulations.
not be selected. • The output power is set to low.
Scan does not start. • TAG channel is not programmed.
No beeps. • Beep tones are turned OFF.
• The squelch is open.
Distress call cannot be • MMSI (DSC self ID) code is not pro-
transmitted. grammed.
POSSIBLE CAUSE

TROUBLESHOOTING

SOLUTION
• Check the connection to the transceiver.
• Set [SQL] to the threshold point.
• Set [VOL] to a suitable level.
• Drain water from the speaker.
• Push [LO/DX•IC•SCRM] to turn the function
OFF.
• Change channels.
• Push [H/L] to select high power.
• Set the desired channels as TAG channels.
• Turn the beep tone ON in Set mode.
• Set [SQL] to the threshold point.
• Program the MMSI (DSC self ID) code.
10
REF.
p. 58
p. 8
p. 8
—
p. 8
pgs. 6,
7, 70
p. 8
9
p. 13
10
p. 56
p. 8
p. 15
67